ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
h.
i.
j.
2-41.4
a.
b.
c.
d.
e.
Connect electrical leads to switch (44) and remove tags.
Raise and secure control panel.
Connect negative battery cable and close battery access door.
Installation.
Insert EMERGENCY STOP switch (44, FIGURE 2-13) into control panel.
Install nut (43) and knob (42).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable and close battery access door.
2-42 REACTIVE CURRENT ADJUST RHEOSTAT.
2-42.1
a.
b.
2-42.2
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
Inspection.
Shut down generator set.
Inspect rheostat for loose connections and mounting, and other damage.
Testing.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Remove control box top panel, paragraph 2-15.1.
Disconnect wires 143C from TB4 terminal 21, 142A from TB6 terminal 12, and 135B from TB5 terminal 4.
Mark reading of REACTIVE CURRENT ADJUST rheostat to reposition at conclusion of testing steps.
Set multimeter for ohms and connect to wires 135B and 142A. Multimeter reading should be between 4.5 and 5.5
ohms.
Connect multimeter to wires 135B and 143C, and turn REACTIVE CURRENT ADJUST rheostat to full clockwise
position. Multimeter reading should be approximately 0 ohms. Turn REACTIVE CURRENT ADJUST rheostat slow-
ly to full counterclockwise position and observe multimeter. Multimeter reading should evenly increase to between
4.5 and 5.5 ohms.
Connect multimeter to wires 142A and 143C, and turn REACTIVE CURRENT ADJUST rheostat to full clockwise
position. Multimeter reading should be between 4.5 and 5.5 ohms. Turn REACTIVE CURRENT ADJUST rheostat
slowly to full counterclockwise position and observe multimeter. Multimeter reading should evenly decrease to
approximately 0 ohms.
Replace REACTIVE CURRENT ADJUST rheostat if multimeter readings are other than above.
Reposition REACTIVE CURRENT ADJUST rheostat as marked in step g.
Connect electrical wires as tagged.
Install control box top panel, paragraph 2-15.4.
Connect negative battery cable and close battery access door.
2-72
